The case of the cricopharyngeal achalasia.
D004931:Esophageal Achalasia / Q000000981:diagnostic imaging* / Q000503:physiopathology / Q000601:surgery; D004947:Esophagus / Q000000981:diagnostic imaging* / Q000503:physiopathology / Q000601:surgery; D005260:Female; D006801:Humans; D008875:Middle Aged; D009132:Muscles / Q000000981:diagnostic imaging*; D010528:Peristalsis; D010609:Pharyngeal Muscles / Q000000981:diagnostic imaging* / Q000503:physiopathology / Q000601:surgery; D011859:Radiography